function checkSearchForm()
	{
	var sPath=document.forms[0];
	if (!sPath.elements['keyword'].value && sPath.elements['speaker'].value=="0" && sPath.elements['category'].value=="0" && sPath.elements['feecode'].value=="0")
		{
		alert('Please enter a keyword or select one of the fields.');
		}
	else sPath.submit();
	}